I know the famous sunglasses always manufactured with global factory. Our world is a great village that working cooperate, no matter where are you, you can enjoy the products from every corner of the world. Seldom native produce and purchase with brands sunglasses. No matter what brand of famous and superior sunglasses, they all have the common characters. We can not give you the tip for the 100% of good or bad brand of sunglasses, but we still have some points for you to choose the right one. Firstly, the best sunglasses have the great anti-ultraviolet function which would prevent the 99% ultraviolet. Wearing such kind of sunglasses, your pupil will keep the same no matter indoor or outdoor, in dark or bright place. Secondly, it will be very clear of the vision when you wearing the real sunglasses, your eyes will be comfortable and relax. Thirdly, the real sunglasses will be strong and durable. There have no flaws and scratches on the surface of glasses. The last one, the accessories, such as glasses cloth should be cotton make other than nylon, the details of the glasses box will also be exquisite. Ok, I believe your sight and taste. Follow your nose; it will be no issue to say the oliver people sunglasses are good or not.